From afaed6d3e4aa56e939b496aafa5c97852e223122 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Fri, 16 Jun 2017 11:57:54 -0300
Subject: tools: Adopt __printf from kernel sources

To have a more compact way to ask the compiler to perform printf like
vargargs validation.

v2: Fixed up build on arm, squashing a patch by Kim Phillips, thanks!

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-dopkqmmuqs04cxzql0024nnu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/probe-event.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'tools/perf/util/probe-event.h')

diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h
index 373842656fb6..5812947418dd 100644
--- a/tools/perf/util/probe-event.h
+++ b/tools/perf/util/probe-event.h
@@ -1,6 +1,7 @@
 #ifndef _PROBE_EVENT_H
 #define _PROBE_EVENT_H
 
+#include <linux/compiler.h>
 #include <stdbool.h>
 #include "intlist.h"
 
@@ -171,8 +172,7 @@ void arch__fix_tev_from_maps(struct perf_probe_event *pev,
 			     struct symbol *sym);
 
 /* If there is no space to write, returns -E2BIG. */
-int e_snprintf(char *str, size_t size, const char *format, ...)
-	__attribute__((format(printf, 3, 4)));
+int e_snprintf(char *str, size_t size, const char *format, ...) __printf(3, 4);
 
 /* Maximum index number of event-name postfix */
 #define MAX_EVENT_INDEX	1024
-- 
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